Rear cover of a handset



FIG. 1 is a front perspective view of a rear cover of a handset showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof. 

The ornamental design for a rear cover of a handset, as shown and described. 